11.   Almost half of the girls and one in five of the boys were overweight to a level considered medically obese, the study said.

12.   Alternative fuel also costs more, the study says.

13.   Although no studies say goat milk is easier to digest, some consumers claim it is.

14.   Although mouth guards can prevent dental injuries that occur during contact sports, a University of Minnesota study says that few athletes are wearing them.

15.   American kids spend more time watching television and playing video and computer games than they do in school, a new study says.

16.   American extremist groups have established ties with radical Muslim organizations including al-Qaida, a new study says.

17.   An industry-commissioned study said a broader requirement could cost billions of dollars extra in line testing and installation of emergency cutoff valves.

18.   And anyone who uses a sauna should not be consuming alcohol, the study said.

19.   An anti-fungal medicine and a cholesterol-lowering drug can decrease complications and costs associated with heart transplant surgery, new studies say.

20.   An Environmental Protection Agency study says eating fish from the northern sections of the Hudson River increases the risk of cancer and other health problems because of PCB contamination.